Heat sink



1., 3.-4. Heat sink

1.1 : Front

1.2 : Back

1.3 : Top

1.4 : Bottom

1.5 : Left

1.6 : Right

1.7 : Top perspective view

1.8 : Bottom perspective view

1.9 : Cross-sectional

3.1 : Front

3.2 : Back

3.3 : Top

3.4 : Bottom

3.5 : Left

3.6 : Right

3.7 : Top perspective view

3.8 : Bottom perspective view

3.9 : Cross-sectional

4.1 : Front

4.2 : Back

4.3 : Top

4.4 : Bottom

4.5 : Left

4.6 : Right

4.7 : Top perspective view

4.8 : Bottom perspective view

4.9 : Cross-sectional

The articles are heat sink for heat release and cooling of electric and electronic equipment, such as television integrated circuits and lighting apparatus; reproduction No. 1.9 is a cross-sectional view sectioned vertically at the center of the right view No. 1.6; reproduction No. 3.9 is a cross-sectional view sectioned vertically at the center of the right view No. 3.6; reproduction No. 4.9 is a cross-sectional view sectioned vertically at the center of the right view No. 4.6. 

CLAIM The ornamental design for a heat sink, as shown and described. 